Stainless Steel Square Drive Adaptor
The RQ-A adaptor connects a larger square actuator drive to a smaller square valve stem, allowing the two drive sizes to work together in a correctly matched rotary actuator assembly.
Choose the actuator-side square first, then the valve-side square. For example, RQ0914-A has a 14 mm outer square for the actuator and a 9 mm inner square for the valve stem.
| ATS option | Actuator square B | Valve square A | Length L |
|---|---|---|---|
| RQ0911-A | 11 | 9 | 10 |
| RQ0914-A | 14 | 9 | 16 |
| RQ1114-A | 14 | 11 | 16 |
| RQ1117-A | 17 | 11 | 17 |
| RQ1417-A | 17 | 14 | 17 |
Choose the correct adaptor
Our standard drives are 11 mm for RE051, 14 mm for RE064 and 17 mm for RE076/RE086. RE101 has a standard 22 mm drive, which none of the five options above accommodates. Optional actuator shafts can differ, so check the drive actually fitted. Confirm engagement depth, valve stem dimensions and mounting arrangement before ordering.
Technical downloads and help
See the ATS RE Mounting Accessories Catalogue for the dimensional drawing and additional reductions. Contact ATS with your actuator model and valve stem measurements if you need help choosing the correct connection.
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